| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 2 Jun 1981 | USD | 29.5 | 29.628 | 29.5 | 29.5 | 73.75 | 0.0 (0.0%) | 5,500 |
| 1 Jun 1981 | USD | 29.5 | 29.628 | 29.376 | 29.5 | 73.75 | 0.0 (0.0%) | 5,900 |
| 29 May 1981 | USD | 29.5 | 29.5 | 29.252 | 29.5 | 73.75 | 0.0 (0.0%) | 700 |
| 28 May 1981 | USD | 29.5 | 30 | 29.5 | 29.5 | 73.75 | -0.376 (-1.26%) | 2,800 |
| 27 May 1981 | USD | 29.876 | 29.876 | 29.876 | 29.876 | 74.69 | 0.0 (0.0%) | 0 |
| 26 May 1981 | USD | 29.876 | 29.876 | 29.876 | 29.876 | 74.69 | +0.248 (+0.84%) | 300 |
| 25 May 1981 | USD | 29.628 | 29.628 | 29.628 | 29.628 | 74.07 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 29.628 | 29.876 | 29.628 | 29.628 | 74.07 | +0.128 (+0.43%) | 1,300 |
| 21 May 1981 | USD | 29.5 | 29.5 | 29.5 | 29.5 | 73.75 | -0.128 (-0.43%) | 4,000 |
| 20 May 1981 | USD | 29.628 | 29.752 | 29.628 | 29.628 | 74.07 | 0.0 (0.0%) | 600 |
| 19 May 1981 | USD | 29.628 | 29.628 | 29.628 | 29.628 | 74.07 | 0.0 (0.0%) | 0 |
| 18 May 1981 | USD | 29.628 | 29.628 | 29.628 | 29.628 | 74.07 | -0.248 (-0.83%) | 800 |
| 15 May 1981 | USD | 29.876 | 29.876 | 29.752 | 29.876 | 74.69 | +0.124 (+0.42%) | 1,100 |
| 14 May 1981 | USD | 29.752 | 29.752 | 29.752 | 29.752 | 74.38 | +0.124 (+0.42%) | 1,100 |
| 13 May 1981 | USD | 29.628 | 29.628 | 29.628 | 29.628 | 74.07 | 0.0 (0.0%) | 300 |
| 12 May 1981 | USD | 29.628 | 29.628 | 29.628 | 29.628 | 74.07 | -0.248 (-0.83%) | 1,000 |
| 11 May 1981 | USD | 29.876 | 29.876 | 29.876 | 29.876 | 74.69 | +0.248 (+0.84%) | 700 |
| 8 May 1981 | USD | 29.628 | 29.752 | 29.628 | 29.628 | 74.07 | -0.124 (-0.42%) | 1,400 |
| 7 May 1981 | USD | 29.752 | 29.752 | 29.752 | 29.752 | 74.38 | 0.0 (0.0%) | 300 |
| 6 May 1981 | USD | 29.752 | 29.752 | 29.752 | 29.752 | 74.38 | 0.0 (0.0%) | 2,400 |
| 5 May 1981 | USD | 29.752 | 29.752 | 29.5 | 29.752 | 74.38 | +0.376 (+1.28%) | 800 |
| 4 May 1981 | USD | 29.376 | 29.376 | 29.376 | 29.376 | 73.44 | +0.124 (+0.42%) | 200 |
| 1 May 1981 | USD | 29.252 | 29.252 | 29.252 | 29.252 | 73.13 | 0.0 (0.0%) | 500 |
| 30 Apr 1981 | USD | 29.252 | 29.5 | 29.252 | 29.252 | 73.13 | -0.248 (-0.84%) | 7,600 |
| 29 Apr 1981 | USD | 29.5 | 29.876 | 29.5 | 29.5 | 73.75 | -0.5 (-1.67%) | 1,700 |
| 28 Apr 1981 | USD | 30 | 30.252 | 29.752 | 30 | 75 | 0.0 (0.0%) | 3,300 |
| 27 Apr 1981 | USD | 30 | 30.252 | 29.876 | 30 | 75 | +0.124 (+0.42%) | 1,700 |
| 24 Apr 1981 | USD | 29.876 | 29.876 | 29.628 | 29.876 | 74.69 | +0.124 (+0.42%) | 2,500 |
| 23 Apr 1981 | USD | 29.752 | 29.752 | 29.252 | 29.752 | 74.38 | -0.124 (-0.42%) | 2,800 |
| 22 Apr 1981 | USD | 29.876 | 29.876 | 29.628 | 29.876 | 74.69 | 0.0 (0.0%) | 2,300 |
